472225220 has 12 divisors (see below), whose sum is σ = 991673004. Its totient is φ = 188890080.

The previous prime is 472225211. The next prime is 472225223. The reversal of 472225220 is 22522274.

It can be written as a sum of positive squares in 2 ways, for example, as 51811204 + 420414016 = 7198^2 + 20504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 472225220.

It is not an unprimeable number, because it can be changed into a prime (472225223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11805611 + ... + 11805650.

It is an arithmetic number, because the mean of its divisors is an integer number (82639417).

Almost surely, 2^472225220 is an apocalyptic number.

It is an amenable number.

472225220 is an abundant number, since it is smaller than the sum of its proper divisors (519447784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472225220 is a wasteful number, since it uses less digits than its factorization.

472225220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23611270 (or 23611268 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 472225220 is about 21730.7436596174. The cubic root of 472225220 is about 778.7231025581.

Adding to 472225220 its reverse (22522274), we get a palindrome (494747494).

The spelling of 472225220 in words is "four hundred seventy-two million, two hundred twenty-five thousand, two hundred twenty".